function []  = graficadora( f1,f2,f3,f4)
%GRAFICADORA Summary of this function goes here
%   Detailed explanation goes here

if ( ~isempty (f1) )
    ezplot (f1);    
    hold on;
end
if ( ~isempty (f2) )
    k = ezplot (f2);
    set (k,'Color','magenta');
    hold on;
end
if ( ~isempty (f3) )
    j = ezplot (f3);
    set (j,'Color','green');
    hold on;
end
if ( ~isempty (f4) )
    l = ezplot (f4);
    set (l,'Color','blue');
    hold on;
end



end

